Radiator-repair machine



Feb. 27, 1923.

c. E. SCHULZ RADIATOR REPAIR MACHINE Filed Aug. 11, 1919 4 sheets-sheet 1 /zirwjs C2 355 gor Feb. 2?, 1923.

I C. E. SCHULZ RADIATOR REPAIR MACHINE 4 sheets-sheet 2 Filed Aug. 11, 1919 m, 2 7, m; mmwm C. E. SCHULZ RADIATOR REPAIR MACHINE Feb, 27, 11923.

c E scHuLz lflfi'fim RADIATOR REPAIR MACHINE Filed Aug. 11, 1919 4 sheets-sheet 4 Eva/4,

Patented Feb. 27, 119236 H i unit "rasie at ant CLYDE scnuriz, or. rear nonen, IOWA, Assrenon'ro norouro'rrvn'nnioraron MACHENE CGMPANY, or roar DODGE, Iowa, A CORPORATION? RADIATOR-REPAIR ACHINE Application'filed August 11; 1915; Serial N01w31889 1 f To-aZZtuh-om it mayconoern: Figure :2 showsaatopor plan'viewclimb Be it known that L CLYDE S-ormrma 08311185." citizenof the United States; and a resident Figure shows arear elevatio-n of theuna elf-Fort Dodge,- invthe county' of Webster chine. a and State of Iowa, have invented a certain" Figure ashow a ti ltj mj i new anduseful Racliator-Repair Machine, through part otth'e machine; of which/the following isa Specification. Figure 5 shows adetail view =of th'e acid My invention relates to machinesfor re- 1 solder-discharge tubes illustrating the-joints pairing-radiators of water cooled engines; therein. It is well-known that radiators are ordi- Figure 6 shows a detail,- SBCtZlOIHIl? vietv to naril built with a plurality of small vertakeno-n the line 6-6 of Figure-5. tical tubes mounted in a series of horizontal Figure 7 shows a detail View of" thera partitions. When these tubes rust orsplit diator supporting platform and part ot'thethey are "very hard to repair. ln--repair' means" for intermittently advancing the ingsaid tubes they are cleaned by pouring same. i 5 acid over them and are thenrepaired by Figure 8 shows a detail, sectional'view of pouring moulten solder: over the holes in part ofthe'mech'anism talren'ion'the 'line 8 8 their Walls. of Figure 10.

The object of my-invention is to provide-- Figure 9 :show-s a detail, sectiona-lt'view'" a machine of simple, durable and efl'e'ctive takenon the line-99of Figure"8.=- 70 construction, whereby a stream of moulten Figure 10 shows "a detail 'viewof part-of metal may be directed along a row of these the mechanism. tubes, said machine having means for inter-*- Figurell shows a vertical,'sectionalnview mittently moving the radiator for succesof the intermittentelutch device takenon CJI sively bringing the rows of tubes under the the line 11-.11 of Figure 12. 75

solder discharge tube. Figure 12 shows-Fa transverse, vertical,

A further object is to provide such a masectional.-view of said clutch mechanismchine having an acid discharge tube artaken on tl1e-line-12'-12 of Figure 11. ranged to travel substantially according to" Figure 13 shows a detail, sectional view the travel of the solder discharge tube, and =0f the pumpr go ahead of said tube for cleaning'the radiator Figure '14 shows a detail,:sectional view-of tubes in advance of the subjection to the the pump taken on the line let-14 "ofxfFigradiator tubes of the solder. ure 13.

Still a furtlier object is to provide simple Figure 15 shows a detail, sectional view" means for regulating the stroke of the solder of the adjustable means: for regulating the 85 discharge tube. stroke: of the'dischargetubes A further object is to provide; suitable" In the accompanying"drawings ll 1 have means for maintaining the solder in its used the reference numeral-- 10 to indicate" moulten state until its'dischargc. generally a supporting frame at the top of 40 With these and other objects in view my which is mounted a slidable'frame-ll,adapt- 90 invention consists in the construction, ared to support a radiator in position-forlatrangement and" combination of the various eral sliding movement on the main frame." parts f th device, whereby the objects The frame 11 has'at its forward and rear templated are attained, as hereinafter more Sides angle iron slide members 12, each haw fully set forth, pointed out in my claims ing-"a flange extending downwardly' out- 95 and illustrated in the accompanying drawside the wall of the frame '1O, andformed ings, in which: with notches 13. Said radiator supporting Figure 1 shows a side elevation of a raframe being shown in Figures '1, 2,3;"4; diator repair machine embodying my invenand 7 tion. Adjacent to the framelO is a soldertank wo 14, from one end of which projects a por tion of the frame 10, as illustrated in Fig' ure 4.

The frame is preferably enclosed. The solder tank 14is provided with a cover 15. A solder. conducting chut e:16 is pro- '1 0f the extension 17*.

vided for carrying moulten solder that has passed through. the radiator and through the frame'lli downwardly to the solder tank.

Extending upwardly from the top ofthe solder tank cover 15 is a cylindrical sleeve 17. Extending upwardlyjfrom a point near the bottom of the solder tank, is a solder conducting. tube. 18, connected with which is a rotary pump 19. The tube 18 extends upwardly through the cover 15 and through the sleeve 17. The tube 18 has at its upper end a portion 17 extending forwardly in the machine, as shown'in Figure 4, and provided at its forward end with a downward extension 17*. Connected with the extension 17 by means of. a ball and socket joint '20 is a swinging solder discharge tube 21.

A. suitable burner device 22 is arranged beneathv the tank 14 for heating the solder therein. a

- The burner device, in the: illustration shown, consists of a gas conducting tube having holes 23 therein.

- Communicating with the burner tube 22 is a gas conducting tube 24 which extends upwardly and connects with a burner coil 25 in the sleeve 17 surrounding the portion of the tube 18 within said sleeve. The upper end of the coil 25 connects with a burner tube 26 beneath the portion17 of the tube 18.

Mounted on the portion 17 is a heating drum 27 open at its lower portion.

Mounted on a suitable upright 28 1s an acidtank 29. Leading from the acid tank 29 is a tube 30, which is detachably supported on a bracket .31 near the forward end H At the forward end of the acid conducting tube 30, said tube is connected by means of a joint 31 similar in general construction to the joint 21 with a swinging acid discharge tube 32. The tubes 21 and 32' are connected by a clamp or insuitable bearings is a drive shaft 40. On

the shafts 37 and 40 are sprockets 41 and 42 aligned with each other. A chain 43 transmits motion from the shaft 37 to the shaft 40. Above the shaft 40 is a short shaft 44. The shafts 40 and 44 are operatively conreaaeev nected by means of sprockets 45 and 46, and a chain 47. On the shaft 44 is a worm 48 which meshes with a worm wheel 49 on a shaft 50 suitably supported above the shaft 44 and transversely of the machine. V

Pivotally connected off centerto the worm wheel 49 by means of a wrist pin 51 is a pitman 52, extending upwardly as illustrated in Figures 1 and 8. e V. Pivoted at its angle on the bracket 53 is abell. crank lever 54 having one comparatively long arm formed with an elongated slot 55, and having a relative short arm pivoted to a link 56. V i

The upper end ofthe pitman 52 is pivoted on. a short shaft 57, one end of which is extended through the slot 55 and is locked in 1 any suitable position therein by means of a nut58. a The link 56 extends forwardly in the ma chine and is attached at its forward end to the solder discharge tube 21 below the joint at the upper end thereof. It will be seen that I have provided a' step down gearing for transmitting motion from the motor'34 to the worm wheel 49. The worm wheel 49 imparts reciprocating movement tothe'pitman 52 and the bell crank lever 54 for thereby imparting swinging movement to the solder discharge tube 21 and the acid discharge tube 32 for swinging the discharge'ends of said tube forwardly and rearwardly in the machine for discharging solder and acid along the tubes of a radiator. i

Extending through the wall of the frame or casing 10, and through the wall of the tank 14 is a shaft 59 on. which is a sprocket 60 arranged in line with the sprocket 61 on the shaft 40. v v

The chain 62 travels on the sprockets 60' and 61. .On the inneriend of the shaft 59 is a bevelled gear 63 which meshes with a bevelled gear 64 on a shaft 65'of the rotary pump 19.

It will thus be seen that the pump 19 is operated from the motor through the shaft 35, the belt 39, and sprockets 36 and 38, the shaft 37, the sprockets 41 and 42,; and chain 43, the shaft 40, the sprockets 60 and 61 and chain 62, the shaft 59 and bevelled gears 63 and 64.

It will be understood that when a radiator is to be cleaned and repaired it is laid on the frame 11 with, its tubes arranged fore-and-aft in the machine. I

When the machine is operated, the discharge tubes 32 and 21 will be swung foreand-aft for discharging acid and solder upon the radiator.

For moving the radiator supporting frame 11 across the machine for bringing all the tubessuccessively, first beneath the. acid dischargetube', and then beneath the solder discharge tube, and for giving proper intermittent motion to said frame, and the radiator supported thereon, i have provided' the following means.

Pivo'ted between their ends on the upper portion of the frame at the left-hand side thereof, are V-shaped bell crank levers 66. A shaft 67 is rotatably mounted in one arm of each of said bell crank levers.

Mounted on the shaft 67 is a rotary sleeve 68. Pivoted to the other arm of each bell crank 66 is a slide bar 69 to which is pivoted a spring actuated pawl 70, adapted to engage in the notches 13. Springs 71 normally hold the slide bars 69 at the forward limit of their movement. Mounted in suitable bearings 71 preferably below the shaft 67 is a shaft 72 extending along side the machine, and having mounted thereon a cam 73 illustrated in Figures 1 and '7.

For intermittently imparting rotation to the shaft 72 for thereby intermittently advancing the platform 11, a distance equal to the distance between two successive notches 13 transversely across the machine. I have provided the following mechanism.

Fixed on the shaft 72 is a casing member 74 to which is pivoted a pawl 75 having a laterally extending arm 75 Loosely mounted on the shaft 2 is a sprocket 76 having an internally toothed annular laterally extending flange 77.

On the shaft 40 is a sprocket 78 shown in Figure 10, which is aligned with the sprocket 76. A chain 79 travels on the sprockets 7 8 and 76.

Rotatably mounted in suitable bearings 80 on a bracket 81 is a shaft 82 having at one end a crank 83, and at the other end a crank 84:.

The pawl 75 has an arm 85 (Figs. 8 and 11) which projects through an opening 86 in the casing 74 as illustrated in Figure 11..

The spring 87 normally holds the pawl 7 5 position in engagement with the teeth on the inside of the flange 77.

On the shaft 50 is a sprocket 88 aligned with the sprocket 89 on a stub shaft 90. A chain 91 travels on the sprockets 88 and 89. On the chain 91 is a projecting lug 92, shown in Figure 10.

A spring 93 normally holds the shaft 82 in position with the crank arm 83 in the path of the lug 92, and also holds said shaft in such position that the crank arm 84 stands normally in the position. shown in Figure 11 for holding the pawl 75 out of engagement with the teeth on the flange 77.

The parts are also so arranged that upon the completion of each stroke 'or full swing of the discharge tubes, the lug 92 engages the crank arm 83 for imparting limited rotation to the shaft 82 for thereby swinging the crank arm 84 clear of the arm 85 on the pawl 75, thereupon the spring 87 will move thepawl into engagement with the teeth on the flange 7 7. The "flange 77 and the sprocket 7 6 are constantly rotated, and when such engagement occurs,- the casing 74 will be rotated a full revolution for thereby rotating the shaft 74"and the cam 73. The cam 7 3 is so shaped, as shown in Figure 7, as to impart a quick movement in one direction to the bars 69 for sliding the frame 11 a short distance laterally in the machine. Then before the shaft 72 has completed one revolution, the lug 92 will have cleared the crank arm 83, whereupon the spring 93 will rotate the shaft 82until the crank arm 84 again stands in the path of movement of the arm 85.

At the completion of one revolution of the shaft 72, the arm 85 will engage the armS i and the pawl '7 5 will be thrown out of operative position until thelug '94 again engages the arm 83.

It will thus be seen that in the practical operation of my improved machine, which has already been partially described, the radiator 98 is placed on the platform 11 and the platform 11 is moved to its farthermost position at one side of the machine.

When the motor is operated the pump will be operated for forcing solder through the pipe 18 and to the discharge pipe 21.

The parts are so arranged that the first stroke or swinging movement of the acid discharge pipe 32 discharges acid along one row of radiator tubes 94. At the completion of such stroke, the platform is'inoved laterally in the manner hereinbefore described,

for bringing the second row of tubes beneath the discharge tube 32.

After another swinging movement of said discharge tube 32, the platform is again moved lateraliy by the. action of the cam 73 and the mechanism connected therewith, and upon the third swinging movement of the discharge tubes, the solder discharged from the tube 21 will drop downwardly over the first row of radiator tubes 94:. The operation is then continued until all the different radiator tubes have been subjected first to the cleaning by the acid, and second to the action of the melted solder.

The stroke of the discharge tubes can be regulated as desired by adjusting the shaft 57 in the slot 55, so that if only the upper parts of the radiator tubes are defective they only may be soldered.

It will be seen that after the machine has been started the entire radiator ma be repaired without further attention to the machine.

Vith a machine of this kind the discharge ofthe melted solder is much more uniform and regular than where the solder-is poured by hand,'and I have found that a better job can be secured with mv machine than can be'done by hand.

Some changes may be made in the construction and arrangement of the parts of my improved machine Without departing from the essential features and purposes of my invention and it is my intention to cover by my claims any modified forms of structure or use of mechanical equivalents which may be reasonably included within the scope-of my claims.

I claim as my invention: 7

1. In a radiator repair machine; a movable frame; means for imparting intermittent advancing movement to said frame; a solder discharge tube; and me-ansfor moving the discharge end of said tube across said frame with a reciprocating movement.

, 2. In a'radiator repair machine; a movable frame; means for imparting intermittent advancing.movement to said frame; a solder di-schargetube; means for moving the discharge end of said tube across said frame with a reciprocating movement; a cleaner fluid discharge tube; and means for moving said last tube transversely across said frame, for subjecting the radiator thereon to the action of the fluid discharged from said second discharge tube before the radiator is subjected to the action of the solder from the first tube. V

3. In a radiator repair machine; a movable frame; means for imparting intermittent advancing movement to said frame; a solder discharge tube; means for moving the discharge end of said tube across said frame with a reciprocating movement; and means for discharging melted solder over a portion of a radiator supported on said frame between each successive movements of the frame.

I. In a radiator repair machine, a solder discharge tube; and a cleaning fluid discharge tube mounted for similar swinging movement; and means for intermittently moving a radiator beneath said discharge tubes for successively bringing the tubes of the radiator first below said second describedtube, and then below said first de scribed tube. j

5. In a radiator repair machine; a movable frame; means for imparting intermittentadvancing movement to; said frame; a solderdischarge tube; means for moving the discharge end of said tube across said frame withv a reciprocating movement; said last means being adjustable for regulating the movement of said discharge tube.

6. In a. radiator repair machine; a movable frame; means for imparting intermittent advancing movement to said frame; a solder discharge tube; means for'moving the discharge end of said tube across said frame .60

in a direction across the path of travel of the frame with a reciprocating movement.

7. In a radiator repair machine; a movable frame for supporting a radiator; means for imparting intermittent advancing movement to. said frame; and means for discharginaaeev ing melted solder over successive portions of a radiator resting on said frame between the successive movements of the radiator.

8. In a radiator repair machine; a frame; a slidable radiator supporting frame mount.- ed thereon; a tank for solder; means for heating said solder; means for discharging solder from the tank upon a radiator supported on. said second frame; said means in; cluding a pipe leadingfrom said tank; a pump fordrawing solder through said pipe; and a movable dischargetube connected with saidpipe. q T- 9. In aradiator rep'air machinea frame; a slidable radiatorsupporting frame mounts ed. thereon; a tank 'forsolder; means for heating said solder; means for discharging solder from the tankfupon a radiator supported on said second frame; said means comprising a pipe leading from said tank; a pump for forcing solder through said pipe; and means for heating said pipe.

10. In a machine of the class described, the combination of a melting bowl for containing solder means for applying heat to it a pump located in the meltingbowl; a pipe communicating with the pump and extending upwardly therefrom, means for supporting a radiator adjacent to the discharge end of the, pump, means for conveying the solder that passes through the radiaton-back into the melting bowl, and a heater applied to said discharge pipe for maintaining the solder in molten condition while passing through the pipe.

11. In a radiator repair machine; a frame;

a movable radiator supportingframe mount.- ed thereon; a tank; a pipe leadlng from said tank; a swinging discharge pipe connected with said first pipe; a power shaft; and

means for imparting reciprocatory swinging movement to said discharge pipe from said shaft. i l

12. In a radiator repair machine; a frame; a movable radiator supporting frame mounted thereon; a tank a pipeleading from said tank; a swinging discharge pipe connected with'said first pipe; a. power shaft; *means for imparting reciprocatory swinging movement to said discharge pipe fromsaid shaft; said means being adjustable for regulating the swing of said discharge pipe. I

13. In a radiator repair machine; a frame;

a movable radiator'supporting frame mount ed thereon ;'a tank; a pipe leading from said tank; a swlnglng discharge pipe connected with said first pipe; power shaft; means for imparting reciprocatory swinging movement to said dischargepipe from said shaft; and means operated from said shaft for imparting intermittent sliding movement to said radiator supporting frame.

14:. In a radiator repair machine; a frame; a movable radiator supporting frame mounted thereon; a tank; a pipe leading from said tan K; a swinging discharge pipe connected with said first pipe; a power shaft; means for imparting reciprocatory swinging movement to said discharge pipe from said shaft; means operated from said shaft for in'iparting intermittent sliding movement to said radiator supporting frame; the parts being so timed that the swinging movement of the discharge pipe occurs between the movements of the radiator supporting frame.

15. In a radiator repair machine; a frame; a movable radiator supporting frame mounted thereon; a tank; a pipe leading from said tank upwardly; a horizontal extension on said pipe; a swinging discharge pipe connected with said horizontal extension; means for imparting movement to said discharge pipe; means for imparting intermittent movement to said radiator supporting frame a pump for forcing solder through said pipe; a drum surrounding said pipe; a heating means in said drum; and a heating means for said horizontal extension.

16. In a radiator repair machine; a frame; a radiatorsupporting frame mounted thereon for sliding movement; a tank; a swinging discharge pipe above said radiator supporting frame; means for forcing solder from said tank through said discharge pipe; means for imparting swinging movement to said discharge pipe; and means for imparting intermittent movement to said radiator supporting frame.

Des Moines, Iowa, July 9, 1919.

CLYDE E. SCHULZ. 

